以GET请求形式获取文本文件内容

/** * 以GET请求形式获取文本文件内容 * @param url http下载地址，比如http://www.abc.com/123.css * @return * @throws ClientProtocolException * @throws IOException */public static String getFileContent(String url) throws ClientProtocolException, IOException{	HttpClient httpCient = new DefaultHttpClient();	HttpGet httpGet = new HttpGet(url);	HttpResponse httpResponse = httpCient.execute(httpGet);	if (httpResponse.getStatusLine().getStatusCode() == 200) {		HttpEntity entity = httpResponse.getEntity();		String response = EntityUtils.toString(entity,"utf-8");		return response;	}	return null;}

 

创建新文件

/** * 创建新文件 * @param file * @throws IOException */public static void createNewFile(File file) throws IOException{	/**	 * 如果父目录不存在即创建	 */	if(!file.getParentFile().exists()) {		file.getParentFile().mkdirs();	}	file.delete();	file.createNewFile();}

 

给文本文件追加内容

/** * 给文本文件追加内容 * @param content * @param file * @return * @throws Exception */public static boolean appendTxtFile(String content, File file) throws Exception {	boolean append = false;	try {		if (file.exists()){			append = true;		}		FileWriter fw = new FileWriter(file, append);		// 创建字符输出流对象		BufferedWriter bf = new BufferedWriter(fw);		// 创建缓冲字符输出流对象		bf.append(content);		bf.flush();		bf.close();	} catch (IOException e) {		e.printStackTrace();	}	return append;}